Specifications for all Hammond Organs. Illustrations, features, model numbers, options, original cost, etc.
Scan of the official service manual used by Hammond technicians until 1944. Covers all pre-vibrato models, including Concert Model E. Has information not available in the later manuals, including p...
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70 Solos for Hammond Organ [Classical]Full description
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70 Solos for Hammond Organ [Classical]Descripción completa
70 Solos for Hammond Organ [Classical]
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A fairly comprehensive guide to Hammond Organs, their 'tabs' and switches etc..Descripción completa
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WaleedeFull description
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A
TO PERCUSSION SWITCH K
J
T4
+1.7V
B
PERCUSSION CHANNEL INPUT
H
VIBRATO CHANNEL INPUT
R3 270K
R6 47K
22
R50
47K
R47
470K
R48
4.7K
C29
25/25
C30
100PF
6
.047
R19 470K
+205
T5
C12 .0047
R18 10M
R10 3.9M
C6 30PF
3
100
R25
+290
R24 22K
95V
R22 820
1
47K
R52 *
25V
6
V6 6C4
R54 * 47K
1
R53 * 47K
2
12AU7A V7A
R55 82K
7
8
22K
R56 +33
R62 220K
R63 390K
C21 .001
R33 68K
R34 15M
60PF/SEC
"GY"
60 HZ
117VAC
"BL"
1.5M
R57
R58 4.7M
R61 39K
P
8
T7
M
L
N
R60 30K PERCUSSION CUTOFF
TO PERCUSSSION SWITCH
+33
SELECT FOR CHANNEL BALANCE (MOUNTED ON "P" TERMINAL)
T1
GY BL BN
V8 6X4
3 7
4
82PF
C24
G
G
F
V8
E
C56 40/450
900 R91
F
C56 C57 C58
375V
TO HTRS
R38 390K
330K
R39
R37 270K
E
TO "VOLUME" TABLET
R52,R53,R54,C32 IN AO-28-1 AMPLIFIERS (WITH NO CODE LETTER ONLY)
NOTE:
6
1
.033
C23
R36 330K
+280
12AX7A 6 V4B
140V
C22
24-90PF
+1.7V (V2)
R35 3.3M
7
THESE COMPONENTS GO BETWEEN POINTS "P" AND "D" IN AO-28-1 AMPLIFIERS (WITH NO CODE LETTER ONLY) INSTEAD OF THOSE SHOWN AT LEFT
C33 .0022
C34 .001
C35 390PF
C19 .0022
R31 68K
1.8M
R32
C17 680PF
EXPRESSION CONTROL
RADIO-PHONO
C20 220PF
T6
R62 100K
C33 .0033
R63 390K
1.8M
R30
C18 220PF
+205
1
V7B 6 12AU7A
+37
3
C32 390PF
.001
C34
150PF
C35
C
D
* C32 .0082
C13
1.0
R29 330K
C16 .033
+280
OUTPUT TO VIBRATO LINE
INPUT FROM VIBRATO SCANNER
C31 .33
7
3
145V 12AX7A 1 V4A
+1.7 (V2)
R27 1.8M
2
C15 51PF
(* SEE NOTE)
22K
R23
1M
R21
2
12BH7A V3A
C11 .0047
+280
R8 470K
V5 6C4
R49 2.2K
7
1
R20 2.2M
C10 .33
62
5
C5 .01
R9 820K
130V
+280
2.2M
R7
5
6AU6A
V2
62
C28
1
R17 1.2K
7
100PF C8
R51
C9
.33
C4
R15 2.7M
C7 24PF
7
1
V1 6AU6A
100PF C3
C2 39PF
30/25
270K R12
47K R16
10M R14
4.7M R13
+1.7 (V2)
INPUT FROM MATCHING XFMRS THRU VIBRATO TABLETS
NON-VIB CHANNEL INPUT
R5 10M
R4 1.8M
C57
4.7K
R95
D
CONTROL
EXPRESSION
A
B
V1
L
N
V2
K
V6
M
J
V5
R100 2.7K
H
V7
T5
T6
T4
+33
+37
+205
REV 1.0 1
TO TONE CABINET
R101 2.7K
R99 180
MODEL B3, C3, RT3
V4
C9,C26 C59,C60
C56 10/350
+280
C60 50/300
R98 7500
G
BN
G
PREAMPLIFIER TYPE AO-28 Size Document Number B --- --- --Date: April 20, 1995 Sheet 1 of
Title
SIDE VIEW
P
4.7K
R96
4500
R97
T3
+290 C26 30/25
V3B 12BH7A
C58 30/350
+290
TOP VIEW
V3
12V
6
1200 R42
8
4.7K
R94
40/400
T3
C
7
335V
C25 .001
R41 100K
R40 .3M
TONE
VIBRATO GREAT T1 MATCHING TRANSFORMER (LOWER AND PEDAL)
TYPICAL GROUP OF LOWER (GREAT) MANUAL DRAWBARS
PEDAL DRAWBARS
TYPICAL GROUP OF UPPER (SWELL) MANUAL DRAWBARS
OFF
SOFT C2
R4 T2 MATCHING TRANSFORMER UPPER
820K
39PF
OFF
R10 3.9M
R5 ON
R2 1M
A
1
100PF
R3 270K
3
62 +1.7V (FROM V2)
R7
B
2 3
8 7 6 5 4 3 2 1 0
470K C8 .0001
UPPER MANUAL BUSBARS
12V
R41 100K
1200
R33 68K
C19 .0022 6
C12
C26 30/25
R42
C21 .001
V3B 12BH7
7 .0047
C13
8 100V R21 1M
7
C9 30/25
R19 470K
60V
3
D 1.0
R22 820
R20 2.2M
C10 .33
6
PERCUSSION SIGNAL
95V R24 22K
R23 22K
+280V
C
VIBRATO SWITCH
+1.7V (TO V1,V4)
5
+280V
+290V
C25 .001 R25
62 R17 1.2K
G 8
+1.7V (FROM V2)
100
V2 6AU6 130V 1 5
R16
BN
7
.0047 R15 2.7M
G
T3
8
1.8M
R31 68K
R40 300K
24PF
10M
LOWER MANUAL PRESET PANEL
R38 390K
R36
R35 3.3M
+1.7V (FROM V2)
C11
R14
R12 270K
R34 15M
R32
R30 1.8M
285V V3B 6 12BH7A
TONE 330K
7
+290V
UPPER MANUAL PRESET PANEL
R39
12AX7A 6 V4B 330K
R27 1.8M
+280V
R37 270K
140V
C20 220PF
V4A 12AX7
C7
R13 4.7M
LOWER MANUAL BUSBARS
C18 220PF
1
270K
2.2M C4 .33
C23 .033
60PF/SEC
R28
82PF
EXPRESSION CONTROL
C16 .033
C15
51PF
60V
2
30PF
F C24
C22
C8
130V R8 470K
5
E 24-90PF
RADIO-PHONO
330K
5
C3 7
6 2
+280V
C5 .01
V1 6AU6
R6 47K
R1 3.9M
C17 680PF
R29 145V
10M
C1 470PF
NORMAL
R10 - SELECT AT TEST TO BALANCE CHANNELS
1.8M
VIBRATO SWELL
VOLUME
R9
ON
(GEN 49-91) CLOSED IN V1,V2,V3
91
CLOSED IN V1/C1
CLOSED IN V2/C2
CLOSED IN V3/C3
C35 150PF
C34
R44
SCANNER
22K .001
R48
T4 1
H
PERCUSSION
470K
C28
.047 1
47K
(GEN 44-48)
T5
R47
OFF 4 ON
THIRD
200V
V7A 12AU7
V5 6C4
3
100PF
7
.33
R61 33K
8
85V 7
C30 R49 2.2K
V7B 12AU7
25/25 J
4.7M 22
K
GENERATOR OUTPUT TERMINALS
R51
6
PERCUSSION VOLUME SOFT R46 12K
5
4 L1
7
6 L4
8 L5
9
L2
L3
L6
R67 56K
R69
R71
R73
R75
39K
33K
18K
12K
PERC. DECAY
M
7
4.7K
3
R65 27K
1.5M
25V 1
2
R60 30K
L
R57
V6 6C4
1
200V PERCUSSION CUTOFF
R50
(GEN 1-43)
+33V
6
R58
1
T6
+205 C31
7 SECOND
390PF
2
C29
44
C33 .0033
+37V
+205
6
R62 100K
1
R63 390K
C32
R55
82K
SLOW
R56
22K
FAST
R66
C37
R68
C38
R70
C39
R72
C40
R74
C41
R76
68K
.004
150K
.004
150K
.004
180K
.004
180K
.004
180K
R59 120K
10 L7
L8
11 L9
12
13
L10
14
L11
15
L12
L13
17
16 L14
L15
L16
L17
18
L18
C42
C43
C44
C45
C46
C47
C48
C49
C50
C51
C52
C53
C54
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.001
R77 15K
+33V NORMAL
VIBRATO DELAY LINE NOTES:
TONE GENERATOR
R81
10
R84
5 +205V 4500 ON
R80 10
R82
47
R85
L20
BL
T7
START SWITCH R83 470
R86
6.0V HEATERS R87
2
+290V
250 (1000)
1
4
6
3 7
900 R91
GY SYNCHRONOUS MOTOR
V8 6X4 340VRMS PINS 1,6 TO GND
NINE CONTACTS UNDER TYPICAL PLAYING KEY.
C56 C57 C58
T4
T1
4 R96
T6 CONTROL V8
R95 +33V
TOP VIEW
EXPRESSION
NINE CONTACTS AND CONNECTIONS UNDER "B" ADJUST KEY.
180
T5
C9,C26 C59,C60
T3
V3
V4
V1
V2
V6
V7
V5
PRESET PERCUSSION SWITCH UNDER "B" ADJUST KEY ONLY.
4.7K 4.7K
STARTING MOTOR
3
R99 +280V
375V
NINE CONTACTS AND CONNECTIONS UNDER "A#" ADJUST KEY ARE SAME AS "B" EXCEPT THAT THESE THREE DRAWBAR WIRES GO DIRECTLY TO KEY CONTACTS.
+37V
4.7K 117VAC 50/60HZ
HEATER (IF USED)
BUSBARS
R98 7500
R94
20 R88 600
PEDAL SWITCH
C60 50/300
5
8 CONTACTS UNDER TYPICAL PEDAL KEY
TO GENERATOR TERMINALS (SEE PEDAL WIRING CHART)
1
R97 335V
OFF RUN SWITCH
C56 40/450
C57 40/400
C58 30/350
C56 10/350
R100 2.7K
R101 2.7K
5
NINE CONTACTS AND CONNECTIONS UNDER TYPICAL PRESET KEY.
6
TO GENERATOR TERMINALS (SEE MANUAL WIRING CHART)
7
R61 SELECTED AT TEST TO BALANCE THE CHANNELS.
Title B3/C3 SCHEMATIC Size E Date:
Document Number
REV
--- ---- --December 11, 1995
1.0 Sheet
1
of
1
GY VI BL GN YL OR RD BN BK
GY VI BL GN YL OR RD BN BK A W G H Y
V I
B L
G N
Y L
O R
R D
B N
W G H Y
V I
B L
G N
Y L
O R
R D
B N
R D
B N
W G H Y
V I
B L
Y L
O R
R D
B N
W G H Y
V I
B L
G Y
Y L
O R
R D
G# G F# F
E
D# D C#
A
B N
G# G F# F
E
D# D C#
GY
GY
VI
VI
BL
BL
GN
GN
YL
YL
OR
OR RD
RD
RESISTOR PANEL AND PEDAL FILTER ON BACK OF MANUAL ASSEMBLY RUN SWITCH
